10908 MS PC 20071217-S00001 / 90507 MS PC / 61307 MS PC 20070411-S00007 No.A0814-1/25
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
'sproductsor
equipment.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
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LV8741V
Overview
The LV8741V is a PWM current-control stepping motor driver IC.
Features
Single-channel PWM current control stepping motor driver (selectable with DC motor driver channel 2) incorporated.
BiCDMOS process IC
On resistance (upper side : 0.5 ; lower side : 0.5 ; total of upper and lower : 1.0 ; Ta = 25°C, IO = 1.5A)
Excitation mode can be set to 2-phase, 1-2 phase full torque, 1-2 phase or W1-2 phase
Excitation step proceeds only by step signal input
Motor holding current selectable in four steps
IO max = 1.5A
Output-stage push-pull structure enabling high-speed operation
Output short-circuit protection circuit (selectable from latch-type or auto reset-type) incorporated
Thermal shutdown circuit and power supply monitor circuit incorporated
Supports control power supply VCC = 3.3V
Specifications
Absolute Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage 1
VM max
38
V
Supply voltage 2
VCC max
6V
Output peak current
IO peak
tw
≤ 10ms, duty 20%
1.75
A
Output current
IO max
1.5
A
Logic input voltage
VIN
-0.3 to VCC+0.3
V
EMO input voltage
VEMO
-0.3 to VCC+0.3
V
Continued on next page.
Bi-CMOS LSI
PWM Current Control Stepping
Motor Driver
Ordering number : ENA0814B